#581B8E#581B8E

#581B8E is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.174 H 302.7°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#581B8E
RGB	rgb(88, 27, 142)
HSL	hsl(272, 68%, 33%)
HSV	hsv(272, 81%, 56%)
CMYK	cmyk(38%, 81%, 0%, 44.3%)
CIE-LAB	lab(26.19, 48.53, -51.38)
CIE-LCH	lch(26.19, 70.67, 313.37°)
OKLab	oklab(38.59% 0.0942 -0.1466)
OKLCH	oklch(38.59% 0.174 302.7)
XYZ	xyz(9.2978, 4.8115, 26.0248)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B8E #518E1B

analogous

#1E1B8E #581B8E #8E1B8A

triadic

#581B8E #8E581B #1B8E58

tetradic

#581B8E #8E1E1B #518E1B #1B8A8E

square

#581B8E #8E1E1B #518E1B #1B8A8E

split-complementary

#581B8E #8A8E1B #1B8E1E

monochromatic

#180727 #38115B #581B8E #7825C1 #9647DC

Accessibility & contrast

On white

10.70

#581B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#581B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B8E

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B8E	#FFFFFF	#000000	##FFFFFF
##581B8E	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#4D3A55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581b8e;
/* rgb */ color: rgb(88, 27, 142);
/* oklch */ color: oklch(38.6% 0.174 302.7);

Tailwind

colors: {
  custom: {
    50: '#8d5fb0',
    500: '#581b8e',
    950: '#000000',
  },
}

SCSS

$custom: #581b8e;
$custom-light: #8d5fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#581b8e",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 271.826,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38586,
    "c": 0.17429,
    "h": 302.7
  },
  "luminance": 0.04812
}

Semantic roles & 50–950 ramp

primary

#581B8E

secondary

#7FBE47

accent

#EB3D8F

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581B8E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →